[PATCH v7 1/4] dt-bindings: gpu: mali-bifrost: Add Mediatek MT8183

From: Nicolas Boichat
Date: Thu Jan 07 2021 - 03:28:20 EST


Define a compatible string for the Mali Bifrost GPU found in
Mediatek's MT8183 SoCs.

Signed-off-by: Nicolas Boichat <drinkcat@xxxxxxxxxxxx>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@xxxxxxxxxxxxx>
---

Changes in v7:
- Fix GPU ID in commit message

Changes in v6:
- Rebased, actually tested with recent mesa driver.
- No change

Changes in v5:
- Rename "2d" power domain to "core2"

Changes in v4:
- Add power-domain-names description
(kept Alyssa's reviewed-by as the change is minor)

Changes in v3:
- No change

.../bindings/gpu/arm,mali-bifrost.yaml | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
index 184492162e7e..71b613ee5bd7 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
@@ -17,6 +17,7 @@ properties:
items:
- enum:
- amlogic,meson-g12a-mali
+ - mediatek,mt8183-mali
- realtek,rtd1619-mali
- rockchip,px30-mali
- const: arm,mali-bifrost # Mali Bifrost GPU model/revision is fully discoverable
@@ -87,6 +88,30 @@ allOf:
then:
required:
- resets
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt8183-mali
+ then:
+ properties:
+ sram-supply: true
+ power-domains:
+ description:
+ List of phandle and PM domain specifier as documented in
+ Documentation/devicetree/bindings/power/power_domain.txt
+ minItems: 3
+ maxItems: 3
+ power-domain-names:
+ items:
+ - const: core0
+ - const: core1
+ - const: core2
+
+ required:
+ - sram-supply
+ - power-domains
+ - power-domains-names

examples:
- |
--
2.29.2.729.g45daf8777d-goog